You can get ahold of this 1951 Vincent Black Shadow

[Drishmung]

You can go quite fast on one of those. https://en.wikipedia.org/wiki/Rollie_Free

Also
http://mnz100.blogspot.com/2016/02/one-day-in-july-world-speed-records.html
World speed record. 185.15mph. In 1955. On a public road.